ExamVeda
Login
Home

Two natural numbers are in the ratio 3 5 and their...

This question belongs to Arithmetic Ability Ratio
Ratio
?

Two natural numbers are in the ratio 3 : 5 and their product is 2160. The smaller of the numbers is -

Answer & Solution
Correct Answer: Option D
Let the numbers be 3x and 5x
Then,
= 3x × 5x = 2160
⇒ 15x2 = 2160
⇒ x2 = 144
⇒ x = 12
∴ Smaller number = 3x = 3 × 12 = 36
Examveda
Question posted by Examveda
Community

Join the Discussion

No comments yet Be the first to discuss this question.
Keep Learning

Related Questions on Ratio

If a : b : c = 3 : 4 : 7, then the ratio (a + b + c) : c is equal to
A. 2 : 1 B. 14 : 3 C. 7 : 2 D. 1 : 2
The number of students in 3 classes is in the ratio 2 : 3 : 4. If 12 students are increased in each class this ratio changes to 8 : 11 : 14. The total number of students in the three classes in the beginning was
A. 162 B. 108 C. 96 D. 54
A box has 210 coins of denominations one-rupee and fifty paise only. The ratio of their respective values is 13 : 11. The number of one-rupee coin is
A. 65 B. 66 C. 77 D. 78
If $$\frac{2}{3}$$ of A=75% of B = 0.6 of C, then A : B : C is
A. 2 : 3 : 3 B. 3 : 4 : 5 C. 4 : 5 : 6 D. 9 : 8 : 10
More Related Questions on Ratio